folder

FOHL-der /ˈfoʊldər/
nounB1
Standard

A folded cover or pocket, typically made of stiff paper or plastic, used for holding loose papers together.

Emphasizes its role in temporary organization and protection of loose documents, often for a specific project or category, without permanent binding.

The story behind the word. The word 'folder' comes directly from the verb 'to fold,' which has roots in the Old English fealdan. A folder is, quite simply, something that is folded or designed to hold things by folding around them. Early forms of folders were likely just pieces of paper or parchment folded to enclose documents, and the modern office folder continues this tradition of simple, effective containment.

Word relationships

  • file: Can refer to the folder itself or the collection of documents within it.

Commonly confused with

  • binder: A folder typically holds loose papers without rings; a binder uses rings to hold punched papers more securely and systematically.

Word family

  • fold (verb): To bend something over on itself so that one part covers another.

Collocations

  • manila folder
  • hanging folder
  • file folder
  • pocket folder
  • organize into folders

Example sentences

  • "She sorted the invoices into separate folders labeled 'Paid' and 'Pending' to keep her desk tidy." Office organization
  • "The student kept all his research papers for the history project in a brightly colored folder." Student project

Memory hook

A FOLDER is a piece of paper or plastic that you FOLD to hold other papers. Folds to hold.

When not to use

For very large volumes of paper (a binder is more suitable) or for permanent, secure storage that requires a rigid spine (a binder or archival box).

Fun facts

  • The concept of organizing documents in folded covers dates back centuries, but modern file folders became common with the rise of standardized office systems in the late 19th century.

Related words

binder, paperclip, stapler

Explore more words

pouch, wrapper, fold

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